ML20053B441
| ML20053B441 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 12/31/1981 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20053B393 | List: |
| References | |
| NUDOCS 8205280407 | |
| Download: ML20053B441 (10) | |
Text
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Browns Ferry Nuclear Plant Unit 1 In-Service Inspection In accordance with paragraph IS622. 3 of Section XI of the ASME Boiler and Pressure Vessel Code (1971 edition through dummer 1971 addenda),
the following information is provided.
1.
Date: December 1981 2.
Name of owner and address of corporate of fices:
Tennessee Valley Authority Chattanooga, Tennessee 37401 3.
Name and address of nuclear generating plant in which the nuclear plant unit is located:
Browns Ferry Nuclear Plant P.O. Box 2000 Deca tur, Alabama 3560L 4.
Name or number assigned to the nuclear power system by the owner:
Browns Ferry Nuclear Plant unit 1 5.
Commercial service date assigned to the nuclear power system by the owner:
August J, 1974 l
l 6.
Gross generating capability assigned to the nuclear power station I
by the owner:
1,098 MW e
7.
The number assigned to the " boiler," " pressure vessel," or l
components of the nuclear power system by the state or municipality:
Does not apply 8.
National board number assigned by the manufacturer to the " boiler,"
" pressure vessel," or components of the nuclear power system:
No number assigned 9.
Name of the component or of the component of the nuclear power system for which this
'rd, including such information o
regarding size, capacity, mater.
1, and location as may aid accurate identification (this may include 'rawing references if they may be of a ssist ance) :
The components examined as part of this in-service inspection are listed in the abstract.
820 5 28 ONG'l
. 10.
Name of the manufacturer of the component or part of the nuclear power system for which this is a record, including the manufacturer's corporate offices or the manufacturing plant locations as may aid in gaining access to the manufacturer's records regarding the component or part which the manufacturer is maintaining in accordance with requirements of the ASME Boiler and Pressure Vessel Code,Section III, Nuclear Power Components:
The majority of the components examined were supplied by:
General Electric Company Atomic Power Equipment Department San Jose, California 95103 under TVA Contract No. 66C60-90744 11.
Dates of the in-service inspection: January 5 to March 8,1980 12.
Name of the inspectors:
The Tennessee Valley Authority acts as its own inspectors.
13.
Name and mailing address of the employers of the inspectors:
Tennessee Valley Authority 1630 Chestnut Street Tower II Chattanooga, Tennessee 37401 14.
Abstract of inspections pcrformed, conditions observed, and corrective measures recommended and taken.
Refer to attached scan plan, table VI, for weld numbers.
The examinations were performed by Lambert, MacGill, Thomas, Incorporated, and TVA personnel.
Four relevant indica-tions were recorded. See attached scan plan for specific information about the indications. No repairs were necessary as a result of this inspection.
O P
('
TABLE VI EVALUATIONS SUMMARIZED ISI RESULTS WELD OR
- MAX, REPORT SYSTEM COMPONENT 5 SCAN LOCATION DEPTH
% DAC REMARKS R-001 Core Spray DCS-1-18 4
360 I.D. Surface 100 I.D. Geometry 6
12:00 I.D. Surface 40 I.D. Geometry R-002 Core Spray DSCS-1-13 4
360 Int.
I.D./O.D.
<20 I.D./O.D. Geometry (Inc. long Surface seam) 8 Entire O.D. Surface 60 O.D. Geometry, Arc. Strike Exam longt!
(Vis.)
R-003 Core Spray DCS-1-17 No Apparent Discontinuities R-004 Core Spray DCS-1-16 3
360 O.D. Surface 50 O.D.
Geometry R-005 Core Spray DCS-1-9 4
360 I.D./O.D.
100 I.D./O.D. Geometry Surface R-006 Core Spray
,DSCS-1-6 4
360 Int.
O.D. Surface 25 O.D. Geometry R-007 Core Spray DCS-1-7 3
360 Int.
I.D. Surface 25 I.D. Geometry R-008 Core Spray DSCS-1-5 3
360 Int.
O.D. Surface 20 O.D. Geometry R-C39 Core Spray DCS-1-8 No Apparent Discontinuities (Inc. Long Sean)
R-010 Core Spray DSCS-1-4 3-4 360 Int.
I.D. Surface 50 I.D. Geometry 0
R-011 Core Spray DSCS-1-3 8
8" - 10" O.D. Surface 20 0.D.
Geor,etry
( I n c. '_On g Saar i R-012 Core Spray DCS-1-6 No.%' parent Di s ron t i r.u i t i a s
O f
TABLE VI WELD CR MAX.
F~ PORT SYE EM COMPONENT d SCAN LOCATION DEPTH
% DAC REMARKS R-013 Core Spray DCS-1-5 3,5,6 360 Int.
I.D./O.D.
33 I.D./O.D. Geonetry Surface R-014 Core Spray DSCS-1-2 3-4 360 Int.
I.D./O.D.
80 I.D./O.D. Geometry (Inc. Long Surface Seam) 7-8 Entire I.D./O.D.
<40 I.D./O.D. Geonetry Exam Lergth Surface Int.
R-015 Core Spray DSCS-1-7 3
360 Int.
I.D. Surface 40 I.D.
Geometry (Inc. Long Seam) 4,7 Entire O.D. Surface 40 0.D.
Geometry Exam Length Int.
R-016 Core Spray DSCS-1-8 3-4 360 Int.
I.D./O.D.
65 I.D./O.D. Geometry (Inc. Long Surface Seam)
R-017 Core Spray
,DSCS-1-1 7
4" from
= I. D. Su r face 60 Linear Indication (Long Seam) circ weld 8
- DSCS-1-1
= I. D. S u r face 55 Linear Indication R-018' Core Spray DSCS-1-1 3-4 360 Int.
I.D./O.D.
50 I.D./O.D. Geometry Surface R-019 R.W.C.U DRWC-1-1 No Apparent Discontinuities R-020 R.W.C.U.
DSRWC-1-1 No Apparent Discontinuities (U.T.)
One Arc Strike (VT)
R.21 R.W.C...
DRNC-1-:
3 1:30
=3T/4 100 Linear Indi: 1:irn l
D C
REPORT SYSTEM COMPONENT d SCAN LOCATION DEPTH S DAC REMAR"S R-022 R.W.C.U.
DRWC-1-3 No Apparent Discontinuities R-023 Recire.
N2H 3-4 360 Int.
I.D. Surface- >100 I.D.
Geometry R-024 Recirc.
N2P 3-4 360 Int.
I.D. Surface
>100 I.D.
Geometry R-025 Core Spray DSCS-1-4 3-4 360 Int.
I.D. Surface 50 I.D.
Geometry (Inc. Long Seam) 7-8 Entire I.D. Surface 25" I.D.
Geometry Exam Length Int.
R-026 Core Spray DCS-1-6 No Apparent Disccatinuities (Long Seam)
R-027 Core Spray DSCS-1-4 No Apparent Discontinuties (Long Seam)
R-028 Core Spray DSCS-1-9 3-4 360 Int.
I.D./O.D.
40 I.D./O.D. Geometry (Inc. Long Surface Seam) 7 Int. Entire-O.D. Surface 20 0.D.
Geometry Exam Length R-029 Core Spray DCS-1-14 3
360 Int.
O.D. Surface
<50 0.D.
Geometry 0
R-030 Core Spray DCS-1-15 4
360 Int.
I.D./O.D.
75 I.D./O.D. Geometri Surface R-031 Core Spray DSCS-1-10 3-4 360 Int.
I.D./O.D.
<25 I.D./O.D.
Geometri 3
(Inc. Long Surface Sea.)
7-9 Int. Entire I.D./O.D.
60 I.D./O.D. 1er e r Ex r ~ e n W. Surface
i l
TABLE VI I
REPORT SYSTEM COMPCNENT
- _CAN LOCATICN DEPTH S DAC REMARKS R-032 Core Spray DSCS-1-ll 3
360 Int. I.D./O.D.
90 I.D./O.D. Geometry Surface R-033 Core Spray DSCS-1-12 4
360 Int. O.D. Surface
<40 0.D. Geometry (Inc. Long i
Seam) i.
R-034 Core Spray DCS-1-8 No Apparent Discontinuities (Long Seam)
R-035 Core Spray DCS-1-17 No Apparent Discontinuities (Long Seam)
R-036 Feedwater N4C No Apparent Discontinuities R-037 Feed'Ja ter N4E 4
360 ' Int.
I.D. Surface 90 I.D. Geometry R-038 Feedwater N4D No Apparent Discontinuities R-039 Feedwater N4B 3-4 360 Int.
I.D. Surface
<20 I.D.
Geometry R-040 Feedwater N4F 4-5 3603 Int.
.I.D. Surface
< 25 I.D.
Geometry R-041 Feedwater N4A 3-4 360 Int.
I.D. Surface
< 25 I.D.
Geometry 5
1:00 I.D. Surface
< 20 I.D.
Geonetry (Spot)
R-042 R.W.C.U.
DSRWC-1-1A No Apparent Discontinuities
'R-043 R.W.'C.U.
DSRWC-1-2 3-4 360 Int.
I.D./O.D.
>100 I.D./O.D. Geometry Surface C
R-044 R.W.C.U.
DSRWC-1-3 3-4 360 Int.
I.D./O.D.
125 I.O./O.D. Geonetry Surface
REPCRT SYSTEM COMPONENT a SCAN LOCATION DEPTH
% DAC REMARKS R-045 R.W.C.U.
DSRWC-1-4 No Apparent Discontinuities R-046 R.W.C.U.
DSRWC-1-5 3
360 Int.
I.D./O.D.
<20 I.D./O.D. Geometry Surface R-047 R.W.C.U.
DSRWC-1-6 No Apparent Discontinuities R-048 R.W.C.U.
DSRWC-1-7 No Apparent Discontinuities R-049 R.W.C.U.
DRWC-1-4 No Apparent Discontinuities R-050 CRD Return RCRD-1-45 0 No Apparent Discontinuities R-051 CRD Return RCRD-1-43 0 No Apparent Discontinuities R-052 CRD Return RCRD-1-44 0 No Apparent Disco.ntinuities R-053 CRD Return-RCRD-1-49 0 No Apparent Discontinuities R-054 Recirc.
N2B S.E.
No Apparent Discontinuities R-055 Recirc.
'N2D S.E.
No Apparent Discontinuities R-056 Recire.
N2K S.E.
No Apparent Discontinuities R-057 R.W.C.U.
DRWC-1-1 0 No Apparent Discontinuities R-058 R.W.C.U.
DRWC-1-2 0 No Apparent Discontinuities R-059 R.W.C.U.
DRWC-1-3 0 No Aoparent Discontinuities 2
lR-060 Core Spray DCS-1-17 0 No Apparent Discontinuitier l
fR-JfI Core Spray DCS-1-16
?~
No Apparent Discentinuities
D P
f I
i TABLE VI i
h* ELD OR MAX.
REPORT SYSTEM COMPONENT
- SCAN LOCATION DEPTH t DAC REMARKS R-062 Core Spray DCS-1-15 0 No Apparent Discontinuities i'
R-063 Core Spray DCS-1-14 0 No Apparent Discontinuities R-064 Core Spray DCS-1-5 0
No Apparent Discontinuities R-065 Core Spray DCS-1-6 0
No Apparent Discontinuities 0
R-066 Core Spray DCS-1-7 0
No Apparent Discontinuities
!R-067 Core Spray DCS-1-8 No Apparent Discontinuities R-068 CRD Return RCRDS-1-3 3-4 360 Int.
I.D./O.D.
90 I.D./O.D. Geometry Surface R-069 CRD Return RCRDS-1-1 0 No Apparent Discontinuities R-070 CRD Return RCRDS-1-2 0 No Apparent Discontinuities R-071 CRD Return RCRDS-1-3 0 No Apparent Discontinuities R-072 CRD Return RCRDS-1-2 3-4 360 Int.
I.D. Surface
>100 I.D. Geometry C
R-073 CRD Return RCRDS-1-3 3-4 360 I.D./O.D.
80 I.D./O.D. Geometry Surface R-074 CRD Return RC RD-1-4 9 4
360 Int.
I.D./O.D.
>100 I.D./O.D. Geometry Surface R-0.75 CRD Return RCRD-1-43 3-4 360' Int.
I.D./O.D.
>100 I. D.,'O. 3.
Geonetry Surface
- T 125 Linear :nd' cation R-076 CRD Return RCRD-1-43 3-4 11:00-1:00 e
,O l
TABLE VI i
- MAX, REPORT SYSTEM COMPONENT s SCAN
'.OCATION DEPTH
% DAC REMARKS R-077 CRD Return RCRD-1-47 4
360 Int. I.D./O.D.
80 I.D./O.D. Geometry l
Surface l
R-078' CRD Return RCRD-1-46 3
360 Int.
I.D./O.D.
>100 I.D./C.D.. Geometry Surface R-079 CRD Return RCRD-1-45 3
360 Int.
I.D./O.D.
50 I.D./O.D. Geometry Surface R-080 CRD Return RCRD-1-44 4
360 Int.
I.D. Surface 60
- I.D. Geometry R-081 CRD Return RCRD-1-43 3
360 Int.
I.D. Surface
<20 I.D. Geometry R-083 RWCU TRWC-1-2 Pio Apparent Discontinuities (0
and 45 )
R-084 RWCU TRWC-1-1 FJo Apparent Discontinuities 0
(0 and 45-)
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m 1
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